1) Which of the following controls or opens/closes the flow of electric current? a) Magnet b) Battery c) Switch d) Wire 2) Which is NOT a part of an electric circuit? a) bulb b) switch c) battery d) paper clip 3) Which of the following serves as the source of energy in a circuit? a) wire b) battery c) switch d) bulb 4) What should we do to light up the bulb ? a) Remove the bulb b) Remove the battery c) Add more battery d) Connect the two wires 5) What type of circuit is shown? a) Complete circuit b) Open circuit c) closed circuit d) short circuit

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